RFR: 8320318: ObjectMonitor Responsible thread [v2]

[Fredrik Bredberg]

On Tue, 17 Sep 2024 13:18:39 GMT, Fredrik Bredberg <fbredberg at openjdk.org> wrote:

>> src/hotspot/share/runtime/objectMonitor.cpp line 1224:
>> 
>>> 1222:     // falls to the new owner.
>>> 1223:     //
>>> 1224:     void* owner = try_set_owner_from(nullptr, current);
>> 
>> Is this the same code as TryLock now?  Except a little different...  Could this call TryLock and return if the lock becomes owned by another thread, like in SharedRuntime::monitor_exit_helper() ?
>
> It seems it can call TryLock, which was also pointed out by @pchilano. Thanks for also spotting this.

fixed

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PR Review Comment: https://git.openjdk.org/jdk/pull/19454#discussion_r1765517473